Chronic rheumatism in hospital patients in Nigeria.
D000328:Adult; D000368:Aged; D016918:Arthritis, Reactive / Q000453:epidemiology; D001172:Arthritis, Rheumatoid / Q000453:epidemiology; D002908:Chronic Disease; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009549:Nigeria; D010003:Osteoarthritis / Q000453:epidemiology; D012216:Rheumatic Diseases / Q000453:epidemiology*